Multivariate polynomial interpolation on lower sets
- Autores: Nira Dyn, Michael S. Floater
- Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 177, Nº 1, 2014, págs. 34-42
- Idioma: inglés
- DOI: 10.1016/j.jat.2013.09.008
- Enlaces
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Resumen
In this paper we study multivariate polynomial interpolation on lower sets of points. A lower set can be expressed as the union of blocks of points. We show that a natural interpolant on a lower set can be expressed as a linear combination of tensor-product interpolants over various intersections of the blocks that define it.
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